Articles with "symmetric asymmetric" as a keyword



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Definition of analytical models of non-acoustical parameters for randomly-assembled symmetric and asymmetric radii distribution in parallel fiber structures

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Published in 2020 at "Applied Acoustics"

DOI: 10.1016/j.apacoust.2019.107091

Abstract: Abstract Fibrous materials for acoustical applications have been extensively studied over the past years. A considerable number of experimental tests have been carried out as a function of fiber geometrical characteristics (for example, overall density,… read more here.

Keywords: symmetric asymmetric; definition analytical; acoustical parameters; radii ... See more keywords
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Subject-specific regression equations to estimate lower spinal loads during symmetric and asymmetric static lifting.

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Published in 2019 at "Journal of biomechanics"

DOI: 10.1016/j.jbiomech.2019.109550

Abstract: Workplace safety assessment, personalized treatment design and back pain prevention programs require accurate subject-specific estimation of spinal loads. Since no noninvasive method can directly estimate spinal loads, easy-to-use regression equations that are constructed based on… read more here.

Keywords: symmetric asymmetric; specific regression; subject specific; regression equations ... See more keywords
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Electrochemistry of a series of symmetric and asymmetric CpNiBr(NHC) complexes: Probing the electrochemical environment due to push-pull effects

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Published in 2018 at "Journal of Electroanalytical Chemistry"

DOI: 10.1016/j.jelechem.2018.02.043

Abstract: The South African National Research Foundation (JC Grant nr. 96111, ML Grant nr. 95764, FPM Grant nr. 88594) and the Central Research Fund of the University of the Free State, Bloemfontein (JC) and the University… read more here.

Keywords: electrochemistry series; symmetric asymmetric; electrochemistry; asymmetric cpnibr ... See more keywords
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Order–Order Transition Processes of Thin-Film Symmetric and Asymmetric PS-b-P2VP during Spin Coating

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Published in 2018 at "Macromolecules"

DOI: 10.1021/acs.macromol.8b01972

Abstract: Order–order transitions during spin-coating processes in symmetric and asymmetric poly(styrene-block-2-vinylpyridine) (PS-b-P2VP) were investigated by using grazing incidence small-angle X-ray scattering (GISAXS). When the composition was symmetric (e.g., the copolymer P2VP volume fraction, fP2VP, was 0.50),… read more here.

Keywords: symmetric asymmetric; order order; order; transition ... See more keywords

Competitive Mechanism of Stereocomplexes and Homocrystals in High-Performance Symmetric and Asymmetric Poly(lactic acid) Enantiomers: Qualitative Methods

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Published in 2022 at "ACS Omega"

DOI: 10.1021/acsomega.2c05198

Abstract: To systematically explore the critical contributions of both molecular weights and crystallization temperature and chain length and molar ratios to the formation of stereocomplexes (SCs), our group quantitatively prepared a wide MW range of symmetric… read more here.

Keywords: asymmetric poly; lactic acid; symmetric asymmetric; poly lactic ... See more keywords

Symmetry of 4-Oxalocrotonate Tautomerase Trimers Influences Unfolding and Fragmentation in the Gas Phase.

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Published in 2022 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.2c03564

Abstract: The recent discovery of asymmetric arrangements of trimers in the tautomerase superfamily (TSF) adds structural diversity to this already mechanistically diverse superfamily. Classification of asymmetric trimers has previously been determined using X-ray crystallography. Here, native… read more here.

Keywords: gas phase; asymmetric trimers; fragmentation; symmetric asymmetric ... See more keywords
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Coupled symmetric and asymmetric circuits underlying spatial orientation in fruit flies

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Published in 2017 at "Nature Communications"

DOI: 10.1038/s41467-017-00191-6

Abstract: Maintaining spatial orientation when carrying out goal-directed movements requires an animal to perform angular path integration. Such functionality has been recently demonstrated in the ellipsoid body (EB) of fruit flies, though the precise circuitry and… read more here.

Keywords: symmetric asymmetric; orientation; coupled symmetric; fruit flies ... See more keywords
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Tuning of the photophysical and electrochemical properties of symmetric and asymmetric conjugated thiophenoazomethines

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Published in 2018 at "RSC Advances"

DOI: 10.1039/c8ra00570b

Abstract: A synthetic route towards symmetric and asymmetric thiophenoazomethines was accomplished by reaction of the readily available amine with various aldehydes. Investigation of a series of thiophenoazomethines obtained by this method indicates that the terminal groups… read more here.

Keywords: symmetric asymmetric; electrochemical properties; tuning photophysical; properties symmetric ... See more keywords
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Chemically symmetric and asymmetric self-driven rigid dumbbells in a 2D polymer gel.

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Published in 2022 at "Soft matter"

DOI: 10.1039/d1sm01820e

Abstract: We employ computer simulations to unveil the translational and rotational dynamics of self-driven chemically symmetric and asymmetric rigid dumbbells in a two-dimensional polymer gel. Our results show that the activity or the self-propulsion always enhances… read more here.

Keywords: polymer gel; self propulsion; symmetric asymmetric; dumbbell ... See more keywords
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Not the Sum of their Parts: Understanding Multi-Donor Interactions in Symmetric and Asymmetric TADF Emitters

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Published in 2021 at "Journal of Materials Chemistry C"

DOI: 10.1039/d1tc04171a

Abstract: A pair of thermally activated delayed fluorescence (TADF) emitters with symmetric and asymmetric D-A-D structure are investigated. Despite displaying near-identical photoluminescence spectrum and quantum yields, the symmetric material possesses significantly... read more here.

Keywords: tadf emitters; symmetric asymmetric; parts understanding; understanding multi ... See more keywords
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New bidirectional multilevel inverter topology with staircase cascading for symmetric and asymmetric structures

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Published in 2017 at "Iet Power Electronics"

DOI: 10.1049/iet-pel.2016.0956

Abstract: Inverters, as one of the key components of electrical systems, have experienced a great evolution in the last decade, and their performance improvement is a challenge even today, leading to many researches on topologies and… read more here.

Keywords: symmetric asymmetric; inverter; asymmetric structures; power ... See more keywords